我不在乎被记住是世界上最出名的人。我想被记住是最无所畏惧的人。
数学中最深刻的见解往往来自最抽象的理论。
My kids are my greatest inspiration and my biggest motivation.
States are inherently aggressive and expansionist because they exist in an anarchic international system where there is no higher authority to keep them in check.